See the DrugPatentWatch profile for lipitor

Stomach upset is not explicitly listed as a common side effect of Lipitor (atorvastatin) on the drug's official FDA-approved label [1]. However, it is important to note that everyone's reaction to medication can vary, and some people may experience stomach-related issues.

The most common side effects of Lipitor, as reported in clinical trials, include diarrhea, muscle pain, and joint pain [1]. Other less common side effects may include constipation, gas, and heartburn [1]. These symptoms are generally mild and do not affect everyone who takes the medication.

If you are experiencing severe or persistent stomach upset after starting Lipitor, it is recommended that you consult with your healthcare provider [1]. They may be able to adjust your dosage or recommend a different medication to better suit your needs.

In some cases, stomach upset may be managed by taking Lipitor with food or at bedtime [2]. It is also important to follow any specific instructions provided by your healthcare provider regarding the timing and administration of your medication [1].

In summary, while stomach upset is not listed as a common side effect of Lipitor, some people may still experience this symptom. If you have concerns about your reaction to Lipitor or any other medication, it is always best to consult with your healthcare provider.

Sources:
[1] Lipitor (atorvastatin) tablets, for oral use. Full Prescribing Information. Pfizer Labs. January 2021. <https://www.accessdata.fda.gov/drugsatfda_docs/label/2021/020990s053lbl.pdf>
[2] DrugPatentWatch.com. Lipitor (Atorvastatin Calcium) Side Effects. <https://www.drugpatentwatch.com/drugs/lipitor>